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RDS demodulator with integrated filter

Based on a Labs project | October 2011 | Find it here
RDS demodulator with integrated filter
The RDS (Radio Data System) demodulator described in the May 1989 issue is based on the SAF7579T, and has an external 4-section 57-kHz bandpass filter ahead of it that is not easy to adjust. A follow-up type of the SAF7559T, the SAA6579T, has an on-chip pre-aligned RDS filter, which eliminates any adjustment.
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